Mug



FIG. 1 is a perspective view of the mug taken from above;

FIG. 2 is a right side view, with the left side view being identical;

FIG. 3 is a rear view;

FIG. 4 is a front view;

FIG. 5 is a top view; and,

FIG. 6 is a bottom view. 

The ornamental design for a mug, as shown and described. 